MPD: db/DatabasePlugin.hxx Source File

MPD 0.20.15

DatabasePlugin.hxx
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1 /*
2 * Copyright 2003-2017 The Music Player Daemon Project
3 * http://www.musicpd.org
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
26 #ifndef MPD_DATABASE_PLUGIN_HXX
27 #define MPD_DATABASE_PLUGIN_HXX
28
29 struct ConfigBlock;
30 class EventLoop;
31 class DatabaseListener;
32 class Database;
33
34 struct DatabasePlugin {
39 static constexpr unsigned FLAG_REQUIRE_STORAGE = 0x1;
40
41 const char *name;
42
43 unsigned flags;
44
50 Database *(*create)(EventLoop &loop, DatabaseListener &listener,
51 const ConfigBlock &block);
52
53 constexpr bool RequireStorage() const {
54 return flags & FLAG_REQUIRE_STORAGE;
55 }
56 };
57
58 #endif
DatabasePlugin::flags
unsigned flags
Definition: DatabasePlugin.hxx:43
Database
Definition: Interface.hxx:35
EventLoop
An event loop that polls for events on file/socket descriptors.
Definition: Loop.hxx:51
DatabasePlugin
Definition: DatabasePlugin.hxx:34
DatabasePlugin::FLAG_REQUIRE_STORAGE
static constexpr unsigned FLAG_REQUIRE_STORAGE
This plugin requires a Storage instance.
Definition: DatabasePlugin.hxx:39
DatabaseListener
An object that listens to events from the Database.
Definition: DatabaseListener.hxx:30
ConfigBlock
Definition: Block.hxx:54
DatabasePlugin::RequireStorage
constexpr bool RequireStorage() const
Definition: DatabasePlugin.hxx:53
DatabasePlugin::name
const char * name
Definition: DatabasePlugin.hxx:41